Base | Representation |
---|---|
bin | 10011110001001110… |
… | …110100011011111111 |
3 | 2000210100110112021222 |
4 | 103301032310123333 |
5 | 321433112004124 |
6 | 13430201343555 |
7 | 1351012026110 |
oct | 236116643377 |
9 | 60710415258 |
10 | 21227063039 |
11 | 900313a706 |
12 | 4144a97bbb |
13 | 2003986340 |
14 | 105525c207 |
15 | 84385025e |
hex | 4f13b46ff |
21227063039 has 64 divisors (see below), whose sum is σ = 29541335040. Its totient is φ = 14768732160.
The previous prime is 21227063029. The next prime is 21227063051. The reversal of 21227063039 is 93036072212.
It is not a de Polignac number, because 21227063039 - 28 = 21227062783 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21227063029) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1383122 + ... + 1398384.
It is an arithmetic number, because the mean of its divisors is an integer number (461583360).
Almost surely, 221227063039 is an apocalyptic number.
21227063039 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
21227063039 is a deficient number, since it is larger than the sum of its proper divisors (8314272001).
21227063039 is a wasteful number, since it uses less digits than its factorization.
21227063039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15360.
The product of its (nonzero) digits is 27216, while the sum is 35.
The spelling of 21227063039 in words is "twenty-one billion, two hundred twenty-seven million, sixty-three thousand, thirty-nine".
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